Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a arma para o mecha da motocicleta?
 ###Tabelas: CREATE TABLE team_variations_across_different_versions (team_variations_across_different_versions_id AUTO_INCREMENT PRIMARY KEY, Gatchaman VARCHAR, Eagle Riders VARCHAR, Rank VARCHAR, Bird Uniform VARCHAR, Weapon VARCHAR, Mecha VARCHAR, Japanese voice actor VARCHAR, Voice actor (Eagle Riders) VARCHAR) CREATE TABLE tournament_champions (tournament_champions_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Champion (seed) VARCHAR, Score VARCHAR, Runner-up (seed) VARCHAR, Most valuable player VARCHAR) CREATE TABLE senior (senior_id AUTO_INCREMENT PRIMARY KEY, Year INT, Competition VARCHAR, Venue VARCHAR, Position VARCHAR, Event VARCHAR) CREATE TABLE season_5_1992 (season_5_1992_id AUTO_INCREMENT PRIMARY KEY, Number in series INT, Number in season INT, Title VARCHAR, Directed by VARCHAR, Original air date VARCHAR, Production code VARCHAR) CREATE TABLE other_officers (other_officers_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, OF-5 VARCHAR, OF-4 VARCHAR, OF-2 VARCHAR, OF-1 VARCHAR)  
SELECT Weapon FROM team_variations_across_different_versions WHERE Mecha = motorcycle